Home / 55,994.20-84,023.70-20,937.40

Finding the Fourth Proportional to 55,994.20, 84,023.70 and 20,937.40

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Solution

The fourth proportional to 55,994.20, 84,023.70 and 20,937.40 is: 31,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,994.20 : 84,023.70 = 20,937.40 : x
  2. Step 2: Convert to fraction form
    55,994.20/84,023.70 = 20,937.40/x
  3. Step 3: Cross multiply
    55,994.20x = 84,023.70 × 20,937.40
  4. Step 4: Simplify right side
    55,994.20x = 1,759,237,816.38
  5. Step 5: Solve for x
    x = 1,759,237,816.38/55,994.20
  6. Step 6: Final answer
    x = 31,418.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.